evan coleman is a terrorist analyst, and he studieds jihadi chat rooms and social networking hubs. he joins me on the phone. i understand you are in ireland. thank you so much for carving out some time for us. there were various radical postings on the youtube account and athey were s and they were set up three weeks after the trip to russia. what can we learn about him from those videos? >> one of the things that becomes clear is this is someone with an interest in radical islam. nature of that interest i should emphasize, we are still trying to sort out, but it's pretty clear from the comes that he has made, interviews are previous to obviously what happened in boston, along with other material, this is someone who had a fairly strict view of islam. it appears to be someone who had a relatively negative view of various sects within islam that he considered to be, you know, apostate sects, shiites, this is a view we think is a rigid view ofs i l.a. there is more to be discovered here. interesting aspects revealed by the suspect's mother, interviewed in russian media, she acknowled